is there something wrong with them?
or you just got tired of mfg them?

I did not manufacturer these couplers. I was a middle man for the manufacturer. The problem is they worked to good but they lacked the bling factor of the original RPM couplers. The RPM couplers had bling had style but sadly they wear out. The rev 2 couplers didnt have the bling but they wouldnt wear out ever. They never got popular because unfortunately people prefer looks over function.

I know there are atleast 7 sets available. If 7 people speak up I will forward the request to the manufacturer to see if he will ship them out. I believe the going price for a set is $40.00 plus shipping.